2007-10-25 - 2007-10-25Read chapter 5, pages...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 2007-10-25Read chapter 5, pages 158-203Sensation and Perception: Using Vision to Explore the Mystery of Sensation and PerceptionThe Functioning of the SensesUnderstanding the steps that link the stimulus to our conscious experienceSensory coding: what are the realms of the sensory system?oClassic 5: vision, hearing, touch, taste, smelloAlso:KinesthesisVestibular sensesSkin senses: pressure, cold, warmth, painFeatures in Common:oAll perform transductionTranslating physical stimuli (e.g. sound waves) into an action potential in a neuronoCoding Aspects:Psychological intensitySensory qualityoImportant to our experience: the pattern of neural firings that result from the stimulation of those neuronsVision: The Basic Sensory ProcessesOf all senses, vision represented by the largest area of the cortexAspects of vision:oStructures of vision and how they workoNature of transduction processoNature of coding processStimulus to the structures: LightLight measured in waves (like sound)Amplitude of wave: brightnesssFrequency: expressed by the length of the waveUsually expressed in wavelength (sound usually expressed in frequency)The Visible light SpectrumPerceive a small part of electromagnetic (EM) spectrumoLight waves measured in nanometers (billionths of a meter)From 700nm to 400nmBees can see things past gamma rays and rattlesnakes can see things past AC circuitsWavelengths we can see comprise the visible spectrum: 400 700 nanometreso400nm=blueo700nm=red...
View Full Document

Page1 / 9

2007-10-25 - 2007-10-25Read chapter 5, pages...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online